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ketene Structure

ketene

Chemical Properties

Melting point -150°
Boiling point bp -56°
Density  0.6600
refractive index  1.3040 (estimate)
form  Gas
Exposure limits TLV-TWA 0.9 mg/m3 (0.5 ppm); STEL 3.0 mg/m3 (1.5 ppm) (ACGIH); IDLH 50 ppm (NIOSH).
FDA UNII LEP3SM032A
EPA Substance Registry System Ketene (463-51-4)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H315-H220-H330-H335-H318
Precautionary statements P264-P280-P302+P352-P321-P332+P313-P362-P280-P305+P351+P338-P310-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P210-P377-P381-P403
RIDADR  1955
HazardClass  2.3
Hazardous Substances Data 463-51-4(Hazardous Substances Data)
IDLA 5 ppm

ketene Chemical Properties,Usage,Production

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